NPNF2-06. Jerome: The Principal Works of St. Jerome

Letter CXLIII. To Alypius and Augustine.

In this letter Jerome congratulates Alypius and Augustine on their success in strangling the heresy of Cælestius, the co-adjutor of Pelagius, and states that, if he can find time and secretaries, he hopes to write a refutation of the absurd errors of the Pelagian pseudodeacon Annianus. The date is 419 a.d. This letter is among those of Augustine, number 202.